In the early hours of Sunday, a volcano in southwest Iceland unleashed a cascade of lava toward the fishing town of Grindavik, compelling the evacuation of residents following a series of hundreds of earthquakes that rattled the region overnight. This dramatic event unfolded less than a month after a powerful eruption had already occurred in the same vicinity.
The seismic activity on Saturday, often an ominous precursor to an impending eruption, triggered the evacuation of Grindavik, situated approximately 32 miles southwest of the capital Reykjavik. The volcanic outburst, transpiring around 8 am GMT, marked a sudden and intense culmination of the geological unrest.
This latest eruption transpired on the Reykjanes Peninsula, known for its cluster of volcanoes, and comes on the heels of a recent fissure that erupted just a month ago, releasing a river of lava that had flowed away from Grindavik. Residents had been allowed to return to the town on December 22, nearly six weeks after their initial evacuation prompted by weeks of seismic activity.
In the aftermath of the December eruption, defensive structures were erected around parts of the volcano’s perimeter, constructed with earth and rock, aiming to redirect potential lava flows away from Grindavik. Regrettably, officials disclosed that these barriers seemed to have been breached by magma.
“A crack has opened on both sides of the defenses that have begun to be built north of Grindavik,” reported Iceland’s Meteorological Office (IMO) following a surveillance flight over the affected area on Sunday. “Lava is now flowing towards Grindavik,” the IMO added, specifying that the perimeter is approximately 450 meters (1,500 feet) from the northernmost houses in the town.
IMO models indicate that, if the lava maintains its current trajectory, it could take several hours to reach Grindavik. Despite the impending threat, Iceland’s President, Gudni Johannesson, assured the public that “no lives are in danger” due to the volcanic eruption. He acknowledged, however, the potential risk to infrastructure and reassured that air travel interruptions are not expected.
The eruption on Sunday marks the fifth such incident on the Reykjanes Peninsula since 2021, where roughly two-thirds of Iceland’s population resides. Prior to this recent surge in volcanic activity, the region’s volcanoes had lain dormant for approximately 800 years.
Situated between the Eurasian and North American tectonic plates, Iceland’s unique geological position makes it susceptible to intense seismic and volcanic activities resulting from the opposing movements of these plates. The country has, historically, experienced the consequences of these geological forces, with Sunday’s eruption being the latest manifestation of the dynamic forces at play in this geologically active region.
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